Home / 10,918.62-15,074.38-6,732.54

Finding the Fourth Proportional to 10,918.62, 15,074.38 and 6,732.54

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Solution

The fourth proportional to 10,918.62, 15,074.38 and 6,732.54 is: 9,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.62 : 15,074.38 = 6,732.54 : x
  2. Step 2: Convert to fraction form
    10,918.62/15,074.38 = 6,732.54/x
  3. Step 3: Cross multiply
    10,918.62x = 15,074.38 × 6,732.54
  4. Step 4: Simplify right side
    10,918.62x = 101,488,866.33
  5. Step 5: Solve for x
    x = 101,488,866.33/10,918.62
  6. Step 6: Final answer
    x = 9,295.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.